Description:Shoot as many aliens as possible to protect your territory and achieve best score in this nice flash game.

Instructions:In this nice and simple flash game, you have to shoot all the aliens and protect your territory from their attack by staying alive for as long as possible to score maximum points.

In order to do this, you must avoid their attack as you have limited lives. Also they will constantly move down, so shoot them before they approach you. The difficulty will keep on increasing as you advance in the game.

Use left and right arrow keys to move and space bar to shoot. Have fun...